US4752349A - Disposable absorbent product having resilient scalloped edge, and method of making the product - Google Patents

Disposable absorbent product having resilient scalloped edge, and method of making the product Download PDF

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Publication number
US4752349A
US4752349A US06/834,688 US83468886A US4752349A US 4752349 A US4752349 A US 4752349A US 83468886 A US83468886 A US 83468886A US 4752349 A US4752349 A US 4752349A
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Prior art keywords
product
edge
resilient
scalloped
perimetrical
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Expired - Lifetime
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US06/834,688
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English (en)
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James M. Gebel
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Procter and Gamble Co
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Procter and Gamble Co
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Publication date
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Priority to US06/834,688 priority Critical patent/US4752349A/en
Assigned to PROCTER & GAMBLE COMPANY THE, A CORP. OF OHIO reassignment PROCTER & GAMBLE COMPANY THE, A CORP. OF OHIO ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: GEBEL, JAMES M.
Priority to DE8787200276T priority patent/DE3773409D1/de
Priority to EP87200276A priority patent/EP0235854B1/fr
Priority to CA000530476A priority patent/CA1286854C/fr
Priority to JP62045062A priority patent/JP2530643B2/ja
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
    • A61F13/4751—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction
    • A61F13/4757—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means being located outside the perimeter of the absorbent core
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers of the pads
    • A61F13/515—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers of the pads characterised by the interconnection of the topsheet and the backsheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1054—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing and simultaneously bonding [e.g., cut-seaming]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/108—Flash, trim or excess removal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1084—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing of continuous or running length bonded web

Definitions

  • This invention pertains to disposable absorbent products and methods of making such products. More specifically, it pertains to absorbent products such a panty liners, sanitary napkins, and products for incontinents comprising plural layers which are joined together along their edge regions in such a manner that their perimetrical edges are scalloped, resilient, and flexible.
  • Disposable absorbent products having elastically gathered edge portions are disclosed in U.S. Pat. Nos. 4,300,562; 4,333,782; 4,397,645; and 4,407,284. Edge portions wherein scalloped topsheet and scalloped backsheet edges are disposed on opposite sides of an ungathered elastic lamina are shown in FIGS. 7, 9 and 11 of U.S. Pat. No. 4,397,645 which issued Aug. 9, 1983. However, as compared to the present invention, the scalloped zones on both sides of the elastic lamina are hollow: i.e., not filled with resilient edge portions of a resilient layer of the product which is coextensive with the topsheet and backsheet of the product.
  • U.S. Pat. No. 4,321,924 which issued Mar. 30, 1982 to Nicholas A. Ahr is representative of layered disposable products wherein two or more layers have their edge regions bonded together to form ungathered, non-elasticized perimetrical borders and which, additionally, are not resilient.
  • a disposable absorbent product which comprises plural coextensive layers which are coextensive in at least their edge areas.
  • the layers include a topsheet, a backsheet and a resilient absorbent core which may be a high loft fibrous web.
  • Coextensive edge areas of the layers are bonded together in such a manner and pattern that the edge of the product is scalloped, and each scallop is a resilient pillow which comprises an edge portion of the resilient core that is disposed between edge portions of the topsheet and the backsheet.
  • each elongate bonded zone preferably comprises a linear array of concatentated discrete bonds for improved flexibility.
  • a method of making such a disposable product includes the steps of providing juxtaposed webs of the layer materials which webs are larger in area than the product to be made; joining or bonding the web layers together with a pattern of discrete bonded zones which span a desired line of parting along which the product is to be served to separate the product from the waste edge portions of the webs; and severing the layers along the line of parting.
  • the actual line of parting may be somewhat out of registration yet still precipitate the desired resilient, scalloped edge construction.
  • FIG. 1 is a perspective view of an exemplary panty liner embodiment of the invention.
  • FIG. 2 is a plan view of the panty liner of FIG. 1.
  • FIG. 3 is a sectional view taken along line 3--3 of FIG. 2.
  • FIG. 3a is an enlarged scale, fragmentary sectional view taken along section line 3--3 of FIG. 2.
  • FIG. 4 is a sectional view taken along line 4--4 of FIG. 2.
  • FIG. 5 is an enlarged scale, edge view of a fragmentary portion of the FIG. 1 embodiment of the invention.
  • FIG. 6 is a plan view of a partially fabricated sample of the embodiment of the invention shown in FIG. 1.
  • a disposable absorbent article--panty liner 20 which is an exemplary embodiment of the present invention--is shown in perspective in FIG. 1 to have a scalloped perimetrical edge 21 that extends outwardly from an endless perimetrical seal 22.
  • panty liner 20 comprises a topsheet 23; and a resilient core 25, edge portions of which fill the scallops of perimetrical edge 21. While the invention is discussed through describing a panty liner it is to be understood that the invention pertains generally to absorbent articles which includes, but is not limited to panty liners, sanitary napkins, and absorbent products for incontinents, and the like.
  • the present invention provides a layered absorbent article and method of making the article so that the article has a resilient, scalloped edge about its entire perimeter.
  • a resilient edge provides improved ongoing perimetrical conformation to the user's anatomy while in use, and provides a high degree of user comfort.
  • perimetrically spaced radial rows of discrete bonds secure coextensive layers of the perimeter of the article together. The discrete bonds of each row are said to be concatentated by virtue of being closely spaced, and linked together by intervening portions of the web.
  • the scallops are precipitated by the pattern of bonding and because an inner layer 25 of the article is sufficiently resilient to puff up between adjacent rows of compacted bonds; and each scallop is filled with an edge portion of the resilient layer.
  • the method includes the step of bonding the layers together with a bonding pattern comprising a pattern of radial rows of spot bonds which rows are longer than the desired width of the article's edge. Then, the article is cut from the parent webs along a line of parting. By virtue of the rows of bonds being longer (i.e., in their radial dimension) than the desired width of the article's edge, registration between the bonding apparatus and the cutting apparatus is not critical.
  • panty liner 20 further preferably comprises a wicking layer 23, a barrier layer 26, a back cover 27, a layer of pressure sensitive panty fastening adhesive 28, and, until panty liner 20 is prepared for use, a removable back protector 29.
  • wicking layer 23 a barrier layer 26, a back cover 27, a layer of pressure sensitive panty fastening adhesive 28, and, until panty liner 20 is prepared for use, a removable back protector 29.
  • panty liner 20 the entire assembly of panty liner 20 consists of, from top (wearer side) to bottom (outside), topsheet 23, wicking layer 24, resilient core 25, barrier layer 26, back cover 27, panty fastening adhesive 28, and the removable back protector 29. It is, however, not intended to thereby limit the present invention to embodiments comprising all such elements, or to thereby preclude additional elements.
  • perimetrical edge 21 is the edge portion of panty liner 20 that is disposed outboard from perimetrical seal 22; and which is characterized by a multiplicity of perimetrically spaced, radially outwardly extending, elongate zones of bonding.
  • each of the elongate zones of bonding generally indicated by pointers 31, comprises a plurality of spaced, discrete bonds 32.
  • the discrete bonds 32 of each elongate zone of bonding are linearly arrayed to form a radially oriented row of discrete bonds.
  • the closely spaced discrete bond areas per se are interconnected by intervening portions of the layers, and are therefore said to be concatentated: i.e., hinged or connected together. Whereas the bonded areas per se may be relatively hard and stiff, the lines of bonds 31 are flexible because of the unbonded interconnections.
  • FIG. 4 is an enlarged scale, fragmentary view of perimetrical edge 21 as it would appear to one looking directly at edge 21 along a line of sight in the plane of the edge and perpendicular thereto. This shows the pillow shape portions of resilient core 25 disposed between adjacent bonds 32 (on each side), and the other laminae of the construction (on the top and bottom).
  • Topsheet 23, FIG. 1 is fluid pervious by virtue, for example, of being perforated by a multiplicity of fine holes 34 which precipitate a net-like appearance. While it may be of nonwoven or woven or other materials, the Macroscopically Expanded Web disclosed in U.S. Pat. No. 4,463,045 is net-like and has been found to be a very desirable and useful topsheet material. An exemplary such expanded web may be made, for example, of polyethylene.
  • Wicking layer 24, FIG. 3, is a layer of tissue paper: for example, high bulk tissue paper having a basis weight of about 15 pounds per 3000 square feet (about 24.5 grams per square meter).
  • satisfactory wicking may alternatively be achieved through the use of a fibrous coating on the back surface of topsheet 23 as disclosed in U.S. Pat. No. 4,323,069.
  • Resilient absorbent core 25, in FIG. 3, is preferably a high loft fibrous batt or web.
  • a batt of polyester fibers of from about 4 to about 15 denier which are bonded together by latex; and which batt has an uncompressed thickness of from about 3 mm to about 10 mm, and weight of about 3 ounces per square yard (about 102 grams per square meter) has been found to be very effective as the absorbent core member of a panty liner embodiment of the present invention.
  • the resilient absorbent core comprises a mass or batt of fibers, it can comprise other materials, such as a synthetic foam material, such use is less preferred than the use of a fibrous batt.
  • the resilient absorbent core is preferably sufficiently resilient that, without the application of external forces, it will return to essentially its original size and shape after deforming forces are removed.
  • the resilient absorbent core possesses sufficient such resilience that it will recover at least about 80% of its original volume after it is compressed to about 20% of its original volume and the compressing forces are removed. Its resilience should be essentially unaffected by the presence of moisture such as the moisture in vaginal discharges; that is to say, the resilient absorbent core should be essentially moisture insensitive.
  • the resilient absorbent core should be of relatively low density so that it has sufficient void volume to contain practical quantities of vaginal discharges. Low density can also help to insure that the resilient absorbent core is readily deformable under the influence of the user's body thereby exhibiting comfort attributes.
  • the density of a fibrous resilient absorbent core is from about 0.01 to about 0.1 gram per cubic centimeter.
  • the surfaces of the interstices of the resilient absorbent core should be substantially hydrophilic. More generally, the resilient absorbent core should comprise a material which is wetted by the fluids in question. Vaginal discharges and other bodily fluids are primarily aqueous solutions and suspensions; surfaces which are wetted by these fluids can be broadly described as hydrophilic. As used in this specification, the term "hydrophilic" describes surfaces which are wetted by the fluid in question. Thus, the resilient absorbent core should be hydrophilic.
  • the surfaces of the interstices of the resilient absorbent core, and, in turn, the surfaces of the fibers, must be hydrophilic. Hydrophilicity can be achieved by selecting fibers which are inherently hydrophilic. The problem with achieving hydrophilicity by this method is that hydrophilic fibers, such as rayon, generally lose their resiliency in the presence of moisture. Preferably, then, synthetic fibers such as polyester are used and are treated with surfactant to render the surfaces hydrophilic while not materially diminishing the resilience of the resilient absorbent core.
  • Suitable surfactants include nonionic surfactants such as Brij 76 manufactured by ICI Americas, Inc. of Wilmington, Del. and the various materials sold under the Pegosperse tradmark by Glyco Chemicals, Inc. of Greenwich, Conn. Anionic surfactants can also be used. Surfactants are applied to the fibers at a level of from about 0.2 to about 1 gram per square meter of resilient absorbent core.
  • Synthetic fibers useful in the present invention include those made of cellulose acetate, polyvinyl chloride, polyvinylidene chloride, acrylic resins, polyvinyl acetates, non-soluble polyvinyl alcohols, polyethylenes, polypropylenes, polyamides, and, preferably, polyesters.
  • Preferred polyester fibers have a denier of from about 4 to about 15 and a length of from about 2 to about 8 centimeters.
  • resiliency of the resilient absorbent core may frequently be enhanced if the fibers are bonded together at their points of contact.
  • Thermal bonding may be used or, preferably, adhesives, such as latex adhesives, may be used to bond the synthetic fibers one to another.
  • Synthetic foams useful as the resilient absorbent core include polyester foam materials, polyurethane foams, styrene-butadiene foams, and cellulose sponge material.
  • the synthetic foam should be soft and flexible, open celled, and of medium cell size. Its interior surfaces should be hydrophilic. Incorporation of surfactant during foam manufacture or addition of surfactant to the preformed foam are two suitable methods of insuring that the interior surfaces are hydrophilic.
  • the foam should have a density of from about 0.1 to about 0.8 grams per cubic centimeter.
  • the use of an overwrap with a synthetic foam resilient absorbent core may be optional.
  • Barrier layer 26, FIG. 3 is a fluid barrier layer or is impervious with respect to body fluids such as menses, urine, and the like.
  • body fluids such as menses, urine, and the like.
  • a one mil film of polyethylene has been found to be very effective as a barrier layer 26.
  • Back cover 27, FIG. 3 is preferably a non-woven fibrous web of thermoplastic material such as, for example, meltblown polypropylene having a weight of about 0.55 ounces per square yard (about 18.8 grams per square meter), and a nominal caliper of about 0.25 mm to about 1.0 mm.
  • thermoplastic material such as, for example, meltblown polypropylene having a weight of about 0.55 ounces per square yard (about 18.8 grams per square meter), and a nominal caliper of about 0.25 mm to about 1.0 mm.
  • Such a back cover has a soft feel and provides highly desirable user comfort, as well as pleasing esthetics.
  • Panty fastening adhesive 28, FIG. 3 is preferably a pressure sensitive adhesive that is provided to enable releasable attachment of panty liner 20 to the inwardly facing surface of a user's panties.
  • Suitable such adhesives include Century A-305 IV manufactured by Century Adhesive Corporation; and Instant Lok 34-2823 manufactured by National Starch Company.
  • Removable back protector 29, FIG. 23, is provided to protect and preserve the functionality of adhesive 28 until a user wishes to attach the panty liner inside her panties. It is made of release material: i.e., material such as paper that is suitable coated to enable peeling it from adhesive 28.
  • release material i.e., material such as paper that is suitable coated to enable peeling it from adhesive 28.
  • release liners BL30MG-A SILOX E1-0, and BL30MG-A SILOX 4P/0 manufactured by Akrosil Corporation have been found to be suitable as back protectors 29.
  • the discrete bonds 32 are preferably effected by ultrasonic means which includes an anvil having a pattern of bond-precipitating protuberances having diameters of about 0.032 inches (about 0.8 mm), and which are spaced (for each row of bonds) about 0.062 inches (about 1.6 mm) center-to-center.
  • ultrasonic means which includes an anvil having a pattern of bond-precipitating protuberances having diameters of about 0.032 inches (about 0.8 mm), and which are spaced (for each row of bonds) about 0.062 inches (about 1.6 mm) center-to-center.
  • thermoplastic of the topsheet 23 and/or the barrier layer 26 penetrates the interstices of the portions of resilient layer 25 therebetween and effects bonding all of the layers together at the bond sites with intervening portions of resilient layer 25 highly compacted. It is, however, not intended to limit the present invention to ultrasonic bonds, or to bonds wherein material of any layer must flow through interstices of another layer.
  • One hourglass-shaped panty liner constructed in accordance with the invention and comprising the elements and materials delineated above is sized and configured as follows: length of about 15 cm; width across the widest zones (i.e. section line 4--4 of FIG. 2) of about 6.3 cm; width across the narrow central region (i.e., along section line 3--3 of FIG. 2) of about 5 cm; a perimetrical seal 22 having a width of about 2 to 2.5 mm; and a scalloped perimetrical edge 21 that extends outwardly about 3 to about 4 mm beyond the outer edge of perimetrical seal 22.
  • Panty liner 20 is prepared for use by removing (i.e. peeling) back protector 29; and by then adhering panty liner 20 to the inside surface of the user's panty crotch with adhesive 28. After use, panty liner 20 is peeled from the panty crotch and disposed of hygenically.
  • FIG. 6 it is a fragmentary plan view which shows, on its right end, webs of the laminae from which panty liner 20 is fabricated; and, on its left side, the pattern of the rows 31 of bonds 32, and perimetrical seal 22 which join the laminae together.
  • the rows 31 of bonds 32 have a length EW that is greater than the desired width of perimetrical edge 21, FIG. 3a.
  • the laminae webs are continuous so that they can be converted into an endless stream of discrete panty liners upon passing through a bonding station (e.g., preferably ultrasonic) and an adhesive application station.
  • a bonding station e.g., preferably ultrasonic

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
US06/834,688 1986-02-28 1986-02-28 Disposable absorbent product having resilient scalloped edge, and method of making the product Expired - Lifetime US4752349A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US06/834,688 US4752349A (en) 1986-02-28 1986-02-28 Disposable absorbent product having resilient scalloped edge, and method of making the product
DE8787200276T DE3773409D1 (de) 1986-02-28 1987-02-20 Wegwerfbares, absorbierbares produkt, versehen mit einem elastischen, bogenfoermigen rand und verfahren zu seiner herstellung.
EP87200276A EP0235854B1 (fr) 1986-02-28 1987-02-20 Article absorbant jetable ayant une bordure élastique échancrée et procédé pour sa fabrication
CA000530476A CA1286854C (fr) 1986-02-28 1987-02-24 Produit absorbant jetable ayant des bords festonnes elastiques et methode de fabrication
JP62045062A JP2530643B2 (ja) 1986-02-28 1987-02-27 弾性スカラップドエッジを有する使い捨て吸収性製品の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/834,688 US4752349A (en) 1986-02-28 1986-02-28 Disposable absorbent product having resilient scalloped edge, and method of making the product

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US4752349A true US4752349A (en) 1988-06-21

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US06/834,688 Expired - Lifetime US4752349A (en) 1986-02-28 1986-02-28 Disposable absorbent product having resilient scalloped edge, and method of making the product

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US (1) US4752349A (fr)
EP (1) EP0235854B1 (fr)
JP (1) JP2530643B2 (fr)
CA (1) CA1286854C (fr)
DE (1) DE3773409D1 (fr)

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WO1989010109A1 (fr) * 1988-04-29 1989-11-02 Weyerhaeuser Company Materiau thermoplastique contenant un coussinet absorbant ou un autre article
US4882213A (en) * 1988-04-29 1989-11-21 Weyerhaeuser Company Absorbent article with tear line guide
US4883701A (en) * 1988-04-29 1989-11-28 Weyerhaeuser Company Infant car seat liner
US4885200A (en) * 1988-04-29 1989-12-05 Weyerhaeuser Company Infant car seat liner
US4886697A (en) * 1988-04-29 1989-12-12 Weyerhaeuser Company Thermoplastic material containing absorbent pad or other article
US4891454A (en) * 1988-04-29 1990-01-02 Weyerhaeuser Company Infant car seat liner
US4892769A (en) * 1988-04-29 1990-01-09 Weyerhaeuser Company Fire resistant thermoplastic material containing absorbent article
US4961930A (en) * 1988-04-29 1990-10-09 Weyerhaeuser Company Pet pad of thermoplastic containing materials with insecticide
US5092860A (en) * 1988-09-21 1992-03-03 Kaysersberg, Sa Sanitary napkin
US5157901A (en) * 1991-03-01 1992-10-27 House Food Industrial Co., Ltd. Method for sealing retort container
US5275591A (en) * 1987-07-27 1994-01-04 Mcneil-Ppc, Inc. Fluid barrier seal for sanitary napkin having undergarment protecting flaps
US5312386A (en) * 1989-02-15 1994-05-17 Johnson & Johnson Disposable sanitary pad
WO1995031167A1 (fr) * 1994-05-13 1995-11-23 The Procter & Gamble Company Ecran pour produits absorbants
US5545156A (en) * 1994-12-22 1996-08-13 Kimberly-Clark Corporation Absorbent article having a preformed member
US5578025A (en) * 1994-07-06 1996-11-26 The Procter & Gamble Company Sanitary napkin having stiffening side stabilizers
US5591149A (en) * 1992-10-07 1997-01-07 The Procter & Gamble Company Absorbent article having meltblown components
US5607415A (en) * 1994-08-18 1997-03-04 Kimberly-Clark Corporation Flexible absorbent article
US5613961A (en) * 1994-12-30 1997-03-25 Kimberly-Clark Corporation Thin, curved absorbent article having elasticized edges
US5626574A (en) * 1993-12-10 1997-05-06 Uni-Charm Corporation Disposable diaper
US5681300A (en) * 1991-12-17 1997-10-28 The Procter & Gamble Company Absorbent article having blended absorbent core
WO1998024626A1 (fr) * 1996-12-04 1998-06-11 The Procter & Gamble Company Procede de production d'un stratifie comprenant des particules
US5873869A (en) * 1995-03-02 1999-02-23 The Procter & Gamble Company Absorbent article with foam absorbent structure providing improved menses acquisition and fit
US6060637A (en) * 1994-05-13 2000-05-09 The Procter & Gamble Company Shield for absorbent products
US6103953A (en) * 1991-12-17 2000-08-15 The Procter & Gamble Company Absorbent article having fused layers
WO2001056526A1 (fr) * 2000-02-04 2001-08-09 The Procter & Gamble Company Modele perfectionne de soudure moletee pour articles absorbants
US6284943B1 (en) 1996-12-13 2001-09-04 The Procter And Gamble Company Absorbent article having increased flexibility in use
US6406648B1 (en) 1999-11-02 2002-06-18 The Procter & Gamble Company Method of making shaped foam implements
US6483007B1 (en) * 1994-07-11 2002-11-19 Sca Hygiene Products Ab Sanitary napkin and a method of manufacturing a sanitary napkin
US6506961B1 (en) * 2000-07-24 2003-01-14 Tyco Healthcare Retail Services Ag Light incontinent product
US6517525B1 (en) * 1997-12-29 2003-02-11 Sca Hygiene Products Ab Absorbent product
US20030148694A1 (en) * 2002-02-05 2003-08-07 Ghiam Farid F. Absorbent composition and method of assembling
US6652500B2 (en) 1998-05-08 2003-11-25 The Procter & Gamble Company Absorbent article having improved integrity and acquisition
US20050085784A1 (en) * 2003-10-21 2005-04-21 Kimberly-Clark Worldwide, Inc. Absorbent article having an absorbent structure secured to a stretchable component of the article
US20050096623A1 (en) * 2003-10-31 2005-05-05 Kimberly-Clark Worldwide, Inc. Stretchable absorbent article
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US5873869A (en) * 1995-03-02 1999-02-23 The Procter & Gamble Company Absorbent article with foam absorbent structure providing improved menses acquisition and fit
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US10285868B2 (en) 2003-10-31 2019-05-14 Kimberly-Clark Worldwide, Inc. Method for making a stretchable absorbent article
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US7344523B2 (en) 2003-12-31 2008-03-18 Kimberly-Clark Worldwide, Inc. Dual-layered disposable garment having tailored stretch characteristics
US7993319B2 (en) 2004-04-30 2011-08-09 Kimberly-Clark Worldwide, Inc. Absorbent article having an absorbent structure configured for improved donning of the article
US8246594B2 (en) 2004-04-30 2012-08-21 Kimberly-Clark Worldwide, Inc. Absorbent article having an absorbent structure configured for improved donning and lateral stretch distribution
US8603058B2 (en) 2004-04-30 2013-12-10 Kimberly-Clark Worldwide, Inc. Absorbent article having an absorbent structure configured for improved donning and lateral stretch distribution
US20050256474A1 (en) * 2004-04-30 2005-11-17 Kimberly-Clark Worldwide, Inc. Absorbent article having an absorbent structure configured for improvement donning and lateral stretch distribution
US20050256488A1 (en) * 2004-04-30 2005-11-17 Kimberly-Clark Worldwide, Inc. Absorbent article having an absorbent structure configured for improved donning of the article
US20060004341A1 (en) * 2004-06-30 2006-01-05 Kimberly-Clark Worldwide, Inc. Stretchable absorbent article having lateral and longitudinal stretch properties
US8066685B2 (en) 2004-06-30 2011-11-29 Kimberly-Clark Worldwide, Inc. Stretchable absorbent article having lateral and longitudinal stretch properties
US8377023B2 (en) 2004-06-30 2013-02-19 Kimberly-Clark Worldwide, Inc. Absorbent garments with tailored stretch properties in the lateral direction
US20060173436A1 (en) * 2005-01-14 2006-08-03 Kimberly-Clark Worldwide, Inc. Disposable absorbent article having a waist opening with a scalloped edge
US20060161130A1 (en) * 2005-01-14 2006-07-20 Kimberly-Clark Worldwide, Inc. Disposable absorbent article visually appearing similar to cloth underwear
US20060161129A1 (en) * 2005-01-14 2006-07-20 Kimberly-Clark Worldwide, Inc. Disposable absorbent article having tactile properties similar to cloth underwear
US20070049892A1 (en) * 2005-08-30 2007-03-01 Kimberly-Clark Worldwide, Inc. Absorbent article with core wrap
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US8491556B2 (en) 2005-12-15 2013-07-23 Kimberly-Clark Worldwide, Inc. Absorbent garments with multipart liner having varied stretch properties
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US10004646B2 (en) 2013-10-04 2018-06-26 Dristi, LLC Methods for using polymer foam absorbent materials in wound dressings
US10182945B2 (en) 2013-10-04 2019-01-22 Dristi, LLC Hybrid dressings of hydrophilic material and polymer foam
US20150250658A1 (en) * 2014-03-06 2015-09-10 The Procter & Gamble Company Multi-component topsheets
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US11033440B2 (en) 2014-03-06 2021-06-15 The Procter & Gamble Company Three-dimensional substrates
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JP2530643B2 (ja) 1996-09-04
DE3773409D1 (de) 1991-11-07
EP0235854A1 (fr) 1987-09-09
CA1286854C (fr) 1991-07-30
EP0235854B1 (fr) 1991-10-02
JPS62266057A (ja) 1987-11-18

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